H0548600.B - EN - 2016-05
13
4.2 I Error code display
Display
Possible causes
Soluti ons
Resetti ng
Exchanger protecti on in cool
mode
ST4 sensor temperature
too low
Wait unti l the exterior temperature
rises
Automati c
High temperature error
on evaporator in "cooling"
mode
ST3 sensor temperature
over 60°C or evaporator
scaled up
Clean the evaporator, if problem
persists, call an approved technician
Automati c if
ST3 sensor
temperature
below 45°C
Phase order fault (on three
phase models only)
Cabling not respected on
the appliance's supply
terminals,
Invert phases on power terminals
(appliance switched off )
By electricity
supply
disconnecti on or
by pressing
Electricity provider has
changed the order of the
phases
Contact the electricity provided to
fi nd out if your installati on has been
modifi ed.
Temporary disconnecti on
of the power supply to one
or more phases
Low pressure fault on
cooling circuit
Pressure fault in the low
pressure circuit (if problem
persists aft er resetti ng)
Call an approved technician
Automati c (if
fewer than 4
faults per hour)
or press
Cooling circuit high pressure
fault
Exchanger clogged with dirt
Clean the water exchanger
Automati c (if
fewer than 4
faults per hour)
or press
Insuffi cient water fl ow
Increase fl ow using by-pass, check
that the pool fi lter is not clogged
Air and water emulsion
passed into the device
Check the pool's hydraulic circuit
Flow controller blocked
Check the fl ow controller
Compressor discharge
temperature fault
Compressor discharge
temperature too high
Call an approved technician
Press for 3
seconds
ST1 sensor fault water
intake sensor
Sensor is faulty or offl ine
(J12-A1 connector)
Reconnect or change the sensor
Cut power or
press
ST4 sensor fault fl uid line
sensor
Sensor is faulty or offl ine
(J8-A1 connector)
Reconnect or change the sensor
By electricity
supply
disconnecti on or
automati c if the
fault disappears
ST3 sensor fault Defrost
sensor
Sensor is faulty or offl ine
(terminals 1-2 connector
J3-A2)
Reconnect or change the sensor
Cut power or
press
ST sensor fault air intake
sensor
Sensor is faulty or offl ine
(terminals 3-4 connector
J3-A2)
Reconnect or change the sensor
Cut power or
press
